Home / 355,102.11-490,038-193,957.26

Finding the Fourth Proportional to 355,102.11, 490,038 and 193,957.26

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Solution

The fourth proportional to 355,102.11, 490,038 and 193,957.26 is: 267,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,102.11 : 490,038 = 193,957.26 : x
  2. Step 2: Convert to fraction form
    355,102.11/490,038 = 193,957.26/x
  3. Step 3: Cross multiply
    355,102.11x = 490,038 × 193,957.26
  4. Step 4: Simplify right side
    355,102.11x = 95,046,427,775.88
  5. Step 5: Solve for x
    x = 95,046,427,775.88/355,102.11
  6. Step 6: Final answer
    x = 267,659.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.